Docusol Plus (docusate sodium/benzocaine)

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No dosing information is available for this tab.

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There is no enhanced messaging for this drug.

There are no contraindication interactions for this drug.

Severe Interaction: Action is required to reduce the risk of severe adverse interaction.

Laxatives/Trofinetide

SEVERITY LEVEL: 2-Severe Interaction: Action is required to reduce the risk of severe adverse interaction.

MECHANISM OF ACTION: Trofinetide commonly causes diarrhea of mild to moderate severity. Laxatives may increase the incidence or severity of diarrhea.(1)

CLINICAL EFFECTS: Concurrent use of laxatives with trofinetide may increase the risk of severe diarrhea.(1)

PREDISPOSING FACTORS: None determined.

PATIENT MANAGEMENT: Patients should stop laxatives before starting trofinetide. If diarrhea occurs, consider anti-diarrheal treatment and monitor hydration status. If severe diarrhea or dehydration occurs, interrupt, reduce dose, or discontinue trofinetide.(1)

DISCUSSION: In clinical trials, 85% of patients on trofinetide developed diarrhea. Concurrent use of laxatives may increase this risk.(1)

Laxatives; Stool Softeners/Tenapanor

SEVERITY LEVEL: 2-Severe Interaction: Action is required to reduce the risk of severe adverse interaction.

MECHANISM OF ACTION: Tenapanor commonly causes diarrhea of mild to moderate severity. Laxatives and stool softeners may increase the incidence or severity of diarrhea.(1)

CLINICAL EFFECTS: Concurrent use of laxatives or stool softeners with tenapanor may increase the risk of severe diarrhea.(1)

PREDISPOSING FACTORS: None determined.

PATIENT MANAGEMENT: The US manufacturer of tenapanor states that patients should be instructed to avoid stool softeners and laxatives with tenapanor. If severe diarrhea occurs, tenapanor should be discontinued.(1)

DISCUSSION: In clinical trials, 43-53% of CKD patients on dialysis treated with tenapanor developed diarrhea. Diarrhea usually occurred soon after treatment initiation and was severe in 5% of patients.(1)

Local Anesthetics/Long-Acting Bupivacaine

SEVERITY LEVEL: 2-Severe Interaction: Action is required to reduce the risk of severe adverse interaction.

MECHANISM OF ACTION: Concurrent use of other local anesthetics or use of other local anesthetics within 96 hours following long-acting bupivacaine may result in additive neurologic and cardiovascular effects. Use of articaine, benzocaine, bupivacaine, lidocaine, mepivacaine, prilocaine, procaine, ropivacaine, and tetracaine may also increase the risk of methemoglobinemia.(1,2) Non-liposomal bupivacaine may impact the pharmacokinetic and/or physicochemical properties of the liposomal formulation when administered in the same syringe or used simultaneously unless the ratio of mg of non-liposomal bupivacaine to mg of bupivacaine liposomal does not exceed 1:2.(1) Local anesthetics other than bupivacaine may trigger the immediate release of bupivacaine from the liposomal formulation when administered together locally.(1)

CLINICAL EFFECTS: Concurrent or use of local anesthetics with 96 hours of use of long-acting bupivacaine may result in neurologic and cardiovascular toxicity. Use of articaine, benzocaine, bupivacaine, lidocaine, mepivacaine, prilocaine, procaine, ropivacaine, and tetracaine may also result in methemoglobinemia.(1,2) Non-liposomal bupivacaine may impact the pharmacokinetic and/or physicochemical properties of the liposomal formulation when administered in the same syringe or used simultaneously unless the ratio of mg of non-liposomal bupivacaine to mg of bupivacaine liposomal does not exceed 1:2.(1) Local anesthetics other than bupivacaine may trigger the immediate release of bupivacaine from the liposomal formulation when administered together locally.(1)

PREDISPOSING FACTORS: Use of additional agents that are associated with methemoglobinemia may further increase the risk of methemoglobinemia.(1) Patients who are at increased risk of developing methemoglobinemia include those with glucose-6-phosphate dehydrogenase deficiency, congenital or idiopathic methemoglobinemia, cardiac or pulmonary compromise, infants under 6 months of age, and concurrent exposure to oxidizing agents or their metabolites are more susceptible to developing clinical manifestations of the condition. If local anesthetics must be used in these patients, close monitoring for symptoms and signs of methemoglobinemia is recommended.(1)

PATIENT MANAGEMENT: Avoid the use of other local anesthetics within 96 hours following the administration of long-acting bupivacaine. In patients for whom use is required, monitor for neurologic and cardiovascular effects. Also monitor for methemoglobinemia with use of articaine, benzocaine, bupivacaine, lidocaine, mepivacaine, prilocaine, procaine, ropivacaine, and tetracaine.(1,2) Non-liposomal bupivacaine may be administered in the same syringe as bupivacaine liposomal or injected immediately before bupivacaine liposomal as long as the ratio of mg of non-liposomal bupivacaine to mg of bupivacaine liposomal does not exceed 1:2.(1) Lidocaine may be administered 20 minutes or more prior to bupivacaine. It is unknown if other local anesthetics may be used without compromising the release characteristic of bupivacaine liposomal.(1)

DISCUSSION: Concurrent use of other local anesthetics or use of other local anesthetics within 96 hours following long-acting bupivacaine may result in additive neurologic and cardiovascular effects. Use of articaine, benzocaine, bupivacaine, lidocaine, mepivacaine, prilocaine, procaine, ropivacaine, and tetracaine may also increase the risk of methemoglobinemia.(1,2) Non-liposome bupivacaine may impact the pharmacokinetic and/or physicochemical properties of the liposomal formulation when administered in the same syringe or used simultaneously unless the ratio of mg of non-liposomal bupivacaine to mg of bupivacaine liposomal does not exceed 1:2.(1) Local anesthetics other than bupivacaine may trigger the immediate release of bupivacaine from the liposomal formulation when administered together locally. Lidocaine may be administered 20 minutes or more prior to bupivacaine. It is unknown if other local anesthetics may be used without compromising the release characteristic of bupivacaine liposomal.(1)

There are no moderate interactions for this drug.

There is no enhanced messaging for this drug.

• Gastrointestinal obstruction
• Methemoglobinemia

• Appendicitis
• Glucose-6-phosphate dehydrogenase (g6Pd) deficiency
• Hemolytic anemia from pyruvate kinase and g6PD deficiencies
• NADH methemoglobin reductase deficiency
• Pregnancy
• Systemic mastocytosis

• Fecal incontinence

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Less Frequent

• Dermatitis due to topical drug

Rare or Very Rare

• Acute respiratory failure
• Anaphylaxis
• Angioedema
• Bradycardia
• Bronchospastic pulmonary disease
• Cardiac arrhythmia
• CNS toxicity
• Cyanosis
• Eyelid edema
• Headache disorder
• Hypotension
• Methemoglobinemia
• Respiratory depression
• Seizure disorder
• Skin rash
• Unconsciousness

Less Frequent

• Blanching of skin
• Edema
• Erythema
• Pruritus of skin
• Skin rash
• Stinging of skin
• Urticaria

Rare or Very Rare

• Abdominal pain with cramps
• Acute cognitive impairment
• Apprehension
• Blurred vision
• Dizziness
• Drowsy
• Euphoria
• Muscle fasciculation
• Nervousness
• Rectal irritation
• Sensation of cold
• Sensation of warmth
• Tinnitus
• Tremor
• Vomiting

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No enhanced messaging available.

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No enhanced messaging available.

No enhanced messaging available.